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Mottramite On Calcite

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CR29323

Mottramite On Calcite

Description Tabs

Description
Locality: 
Tsumeb Mine, Otavi Highlands, Namibia
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.5 × 4.5 × 3.8 cm
Description

Beautiful deep olivegreen microcrystals sitting oriented on calcite crystals.

Very good specimen from the famous Walter Kahn collection.

Mineral Data
What's on the rock

Mottramite

Formula: 
PbCu(VO4)(OH)
Strunz: 
8.BH.40
Hardness: 
3.0 - 3.5
Type Locality: 
Mottram St Andrew, Cheshire, England, UK

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White